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1da177e4 LT |
1 | #ifndef _PARISC_CACHEFLUSH_H |
2 | #define _PARISC_CACHEFLUSH_H | |
3 | ||
1da177e4 LT |
4 | #include <linux/mm.h> |
5 | ||
6 | /* The usual comment is "Caches aren't brain-dead on the <architecture>". | |
7 | * Unfortunately, that doesn't apply to PA-RISC. */ | |
8 | ||
d6ce8626 RC |
9 | /* Internal implementation */ |
10 | void flush_data_cache_local(void *); /* flushes local data-cache only */ | |
11 | void flush_instruction_cache_local(void *); /* flushes local code-cache only */ | |
1da177e4 | 12 | #ifdef CONFIG_SMP |
d6ce8626 RC |
13 | void flush_data_cache(void); /* flushes data-cache only (all processors) */ |
14 | void flush_instruction_cache(void); /* flushes i-cache only (all processors) */ | |
1da177e4 | 15 | #else |
d6ce8626 RC |
16 | #define flush_data_cache() flush_data_cache_local(NULL) |
17 | #define flush_instruction_cache() flush_instruction_cache_local(NULL) | |
1da177e4 LT |
18 | #endif |
19 | ||
ec8c0446 RB |
20 | #define flush_cache_dup_mm(mm) flush_cache_mm(mm) |
21 | ||
d6ce8626 RC |
22 | void flush_user_icache_range_asm(unsigned long, unsigned long); |
23 | void flush_kernel_icache_range_asm(unsigned long, unsigned long); | |
24 | void flush_user_dcache_range_asm(unsigned long, unsigned long); | |
25 | void flush_kernel_dcache_range_asm(unsigned long, unsigned long); | |
26 | void flush_kernel_dcache_page_asm(void *); | |
27 | void flush_kernel_icache_page(void *); | |
28 | void flush_user_dcache_page(unsigned long); | |
29 | void flush_user_icache_page(unsigned long); | |
3735313a MW |
30 | void flush_user_dcache_range(unsigned long, unsigned long); |
31 | void flush_user_icache_range(unsigned long, unsigned long); | |
1da177e4 | 32 | |
d6ce8626 | 33 | /* Cache flush operations */ |
1da177e4 | 34 | |
d6ce8626 RC |
35 | void flush_cache_all_local(void); |
36 | void flush_cache_all(void); | |
37 | void flush_cache_mm(struct mm_struct *mm); | |
1da177e4 | 38 | |
d6ce8626 RC |
39 | #define flush_kernel_dcache_range(start,size) \ |
40 | flush_kernel_dcache_range_asm((start), (start)+(size)); | |
1da177e4 LT |
41 | |
42 | #define flush_cache_vmap(start, end) flush_cache_all() | |
43 | #define flush_cache_vunmap(start, end) flush_cache_all() | |
44 | ||
2d4dc890 | 45 | #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 |
1da177e4 LT |
46 | extern void flush_dcache_page(struct page *page); |
47 | ||
48 | #define flush_dcache_mmap_lock(mapping) \ | |
19fd6231 | 49 | spin_lock_irq(&(mapping)->tree_lock) |
1da177e4 | 50 | #define flush_dcache_mmap_unlock(mapping) \ |
19fd6231 | 51 | spin_unlock_irq(&(mapping)->tree_lock) |
1da177e4 | 52 | |
d6ce8626 RC |
53 | #define flush_icache_page(vma,page) do { \ |
54 | flush_kernel_dcache_page(page); \ | |
55 | flush_kernel_icache_page(page_address(page)); \ | |
56 | } while (0) | |
1da177e4 | 57 | |
d6ce8626 RC |
58 | #define flush_icache_range(s,e) do { \ |
59 | flush_kernel_dcache_range_asm(s,e); \ | |
60 | flush_kernel_icache_range_asm(s,e); \ | |
61 | } while (0) | |
1da177e4 LT |
62 | |
63 | #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ | |
64 | do { \ | |
65 | flush_cache_page(vma, vaddr, page_to_pfn(page)); \ | |
66 | memcpy(dst, src, len); \ | |
67 | flush_kernel_dcache_range_asm((unsigned long)dst, (unsigned long)dst + len); \ | |
68 | } while (0) | |
69 | ||
70 | #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ | |
71 | do { \ | |
72 | flush_cache_page(vma, vaddr, page_to_pfn(page)); \ | |
73 | memcpy(dst, src, len); \ | |
74 | } while (0) | |
75 | ||
d6ce8626 RC |
76 | void flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, unsigned long pfn); |
77 | void flush_cache_range(struct vm_area_struct *vma, | |
78 | unsigned long start, unsigned long end); | |
1bcdd854 | 79 | |
d6ce8626 | 80 | #define ARCH_HAS_FLUSH_ANON_PAGE |
ab43227c | 81 | static inline void |
a6f36be3 | 82 | flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned long vmaddr) |
ab43227c JB |
83 | { |
84 | if (PageAnon(page)) | |
85 | flush_user_dcache_page(vmaddr); | |
86 | } | |
ab43227c | 87 | |
20f4d3cb JB |
88 | #define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE |
89 | void flush_kernel_dcache_page_addr(void *addr); | |
90 | static inline void flush_kernel_dcache_page(struct page *page) | |
ba575833 | 91 | { |
20f4d3cb | 92 | flush_kernel_dcache_page_addr(page_address(page)); |
ba575833 | 93 | } |
ba575833 | 94 | |
1bcdd854 HD |
95 | #ifdef CONFIG_DEBUG_RODATA |
96 | void mark_rodata_ro(void); | |
1da177e4 | 97 | #endif |
1bcdd854 | 98 | |
20f4d3cb JB |
99 | #ifdef CONFIG_PA8X00 |
100 | /* Only pa8800, pa8900 needs this */ | |
bb735019 KM |
101 | |
102 | #include <asm/kmap_types.h> | |
103 | ||
20f4d3cb JB |
104 | #define ARCH_HAS_KMAP |
105 | ||
106 | void kunmap_parisc(void *addr); | |
107 | ||
108 | static inline void *kmap(struct page *page) | |
109 | { | |
110 | might_sleep(); | |
111 | return page_address(page); | |
112 | } | |
113 | ||
114 | #define kunmap(page) kunmap_parisc(page_address(page)) | |
115 | ||
116 | #define kmap_atomic(page, idx) page_address(page) | |
117 | ||
118 | #define kunmap_atomic(addr, idx) kunmap_parisc(addr) | |
119 | ||
120 | #define kmap_atomic_pfn(pfn, idx) page_address(pfn_to_page(pfn)) | |
121 | #define kmap_atomic_to_page(ptr) virt_to_page(ptr) | |
122 | #endif | |
123 | ||
1bcdd854 HD |
124 | #endif /* _PARISC_CACHEFLUSH_H */ |
125 |